Dr. James Cheng-shin Ho MD

What does a black stool indicate?A black or dark red-colored stool is called tarry or bloody stools. However, passing dark-colored stools is not always caused by serious problems. One of the most common causes of black stools is the consumption of iron supplements, particularly in people who have...

What is leukopenia?Leukopenia is a condition in which abnormally low white blood cells are circulating in the blood. This condition can be diagnosed using a blood test called complete blood count (CBC). A normal white blood cell count is usually between 3,500-11,000 WBCs per microliter. People...

What are inverted nipples?Inverted nipples, also called as nipple retraction, nipple inversion, or invaginated nipple, is a condition in which the nipples point inward instead of out. In some women, nipple retraction can be present at birth. In some cases, the condition may develop due to trauma or...

Cholera is an infection that is caused by a bacterium known as Vibrio cholerae, which attacks the small intestines. This disease is extremely contagious, especially in areas where there is poor sanitation or during disasters such as floods. It is capable of killing people who are infected within...

The human respiratory tract starts at the nose and mouth and continues down to the lungs. The air that we breathe in through our nose and mouth passes down the trachea and into the lungs through a series of branched tubes called the bronchi. For a healthy breathing to happen effectively, these tubes...

Every now and then, you hear people complaining about constant back pain. According to statistics, about 80% of Americans will suffer from back pain at one point of their life.Back pain can be caused by many things, but it is most commonly triggered by incorrect sitting or standing positions, not...